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Hectare - Wikipedia
The hectare is a non-SI metric unit of area equal to a square with 100-metre sides (1 hm ), or 10,000 m , and is primarily used in the measurement of land. There are 100 hectares in one square kilometre. An acre is about 0.405 hectare and one hectare contains about 2.47 acres. In 1795, when the
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Xem thêmThe hectare (/ˈhɛktɛər, -tɑːr/ ), although not a unit of SI, is the only named unit of area that is accepted for use with SI units. The name was coined in French, from the Latin ārea. In practice the hectare is fully derived from the SI, being
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Xem thêmThe metric system of measurement was first given a legal basis in 1795 by the French Revolutionary government. The law of 18 Germinal, Year III
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Xem thêmThe names centiare, deciare, decare and hectare are derived by adding the standard metric prefixes to the original base unit of area, the are.
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Hecta – Wikipedia tiếng Việt
Global hectare - Wikipedia
The global hectare (gha) is a measurement unit for the ecological footprint of people or activities and the biocapacity of the earth or its regions. One global hectare is the world's annual amount of biological production for human use and human waste assimilation, per hectare of biologically productive land and fisheries.
It measures production and consumption of different products. It starts with the total biological …Wikipedia · Nội dung trong CC-BY-SA giấy phépHectare — Wikipédia
Hectare - Wikipedia
Hectare – Wikipédia, a enciclopédia livre
Hectárea - Wikipedia, la enciclopedia libre
Hectar - Wikipedia
Hectar — Wikipédia
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